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iio:dac:ad5686: Add AD5311R support 

AD5311R is a single channel DAC with 10-bit precision and i2c interface.
The device includes a 2.5V internal reference which is enabled by default.

This device is similar to AD5691R/AD5692R/AD5693/AD5693R, the only
difference is that it has 10-bit precision.

Datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5310R_5311R.pdf

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Stefan Popa 2018-06-04 17:22:07 +03:00 committed by Jonathan Cameron
parent a591525f43
commit d8084a048c
3 changed files with 9 additions and 0 deletions
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7
drivers/iio/dac/ad5686.c
View File

@ -221,6 +221,7 @@ static struct iio_chan_spec name[] = { \
AD5868_CHANNEL(7, 7, bits, _shift), \
}
DECLARE_AD5693_CHANNELS(ad5311r_channels, 10, 6);
DECLARE_AD5676_CHANNELS(ad5672_channels, 12, 4);
DECLARE_AD5676_CHANNELS(ad5676_channels, 16, 0);
DECLARE_AD5686_CHANNELS(ad5684_channels, 12, 4);
@ -231,6 +232,12 @@ DECLARE_AD5693_CHANNELS(ad5692r_channels, 14, 2);
DECLARE_AD5693_CHANNELS(ad5691r_channels, 12, 4);
static const struct ad5686_chip_info ad5686_chip_info_tbl[] = {
[ID_AD5311R] = {
.channels = ad5311r_channels,
.int_vref_mv = 2500,
.num_channels = 1,
.regmap_type = AD5693_REGMAP,
},
[ID_AD5671R] = {
.channels = ad5672_channels,
.int_vref_mv = 2500,

1
drivers/iio/dac/ad5686.h
View File

@ -45,6 +45,7 @@
* ad5686_supported_device_ids:
*/
enum ad5686_supported_device_ids {
ID_AD5311R,
ID_AD5671R,
ID_AD5672R,
ID_AD5675R,

1
drivers/iio/dac/ad5696-i2c.c
View File

@ -71,6 +71,7 @@ static int ad5686_i2c_remove(struct i2c_client *i2c)
}
static const struct i2c_device_id ad5686_i2c_id[] = {
{"ad5311r", ID_AD5311R},
{"ad5671r", ID_AD5671R},
{"ad5675r", ID_AD5675R},
{"ad5691r", ID_AD5691R},